Slide fastener



Feb. 17, 1942.

N. J. Pouxl y SLIDE FASTENER A TTORNEY.

Patented Feb. I17, 1942 SLIDE rAs'rENl-:a

Noel J. Poux, Meadville, Pa., assigner tov Talon, Inc., a corporation of Pennsylvania Application July 29, 1940,"Serial No. 348,116

5 Claims.

My invention relates to slide fasteners and more particularly to separable end connections there- In general, the objects of my invention are to provide a separable end connection for slide fasteners, which is especially suitable for slide fasteners of plastic materials; to make the parts of the separable end fitting simple and easy lto `manufacture and Ayet durable; andto provide v.an

improved reinforcing connection between the separable end parts and the tapes of the slide fastener. A

Other objects and advantages of the invention will hereinafter more fully appear.

In the accompanying drawing, I have shown.

' for purposes of illustration, one embodiment which my invention may assume in practice. In the drawing:

Fig. 1 is a face viewof a slide fastener including my improved separable end fitting.

Fig. 2 is a central section through the separable end fastener, indicating the position of the parts during assembly;

Fig. 3f is a similar view on somewhat larger scale, showing the parts almost fully assembled;

Fig, 4 is a corresponding view showing the parts fullyV assembled and the slider moved part- Way toward closed position of the fastener;

` socket side of the separable end connection.

l In general, the slide fastener, with which I have shown my improvement associated, is of a familiar type which consists'of tapes 9, Ill` having attached to their adjacent edges, fastener members II -of plastic'material. A slider gento receive the pin member I9.

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prong I1 that will spring into engagement be, tween the fastener elements and hold the slider until it is manually moved by the pull tab I5.

The separable bottom connection comprises generally a socket or retainer element I8 attached to the .end of tape 9 beyond the end of the row of fastener members on that tape and a mating pin member I9 attached to the tape I0.

`As is usual in slide fasteners: withseparable end connections on the market today, the pin is adapted to be threaded through the slider and into engagement with the socket.

It will be understood that the entire socket member is formed preferably in one piece which can be conveniently accomplished by a molding operation. It consists principally of a box-shaped portion 20 which may be provided with suitable ornamentation, and the sides and bottom of which may have any desired configuration. This member has a closed bottom and a channel` 2l which opens at the top and which is large enough This channel opens up through the side'of the socket member by way of a narrow slot so that the tape of they pin member can slide through the slot.

To secure the box-shaped member to the tape,

I it is overlapped with the edge of the tape and erally designated I2 is mounted on .the rows of fastener members for engaging and disengaginar l them as it is moved from one end of thev fastener tothe other. This.. slider is,. pre,ferably-of. oval shape having a rounded forward end I3 and it is provided. with suitable means for moving it by hand, such as a bail I4 and pull tab I5. The slider body is molded and carries a known type of spring locking device 16 which has a locking has integral side elements 22 which extend further over the tape. Preferably also the tape is folded back, as indicated at 23,'so as to reinforce the end of the tape.- The wings or extensions 22 are necessarily very thin and, when made of plastic material, are, to. certain extent, iiexible.

These extensions constitute an integralpart of the box-shaped member'and thereby greatly reinforce the holding power on the tape. Between,

the box-shaped portion and the end-most fastener member, there is a tubular extension 24 which is necessary to allow separation of the stringers when the slider is moved against the box-shaped member. The wings or extensions 22 preferably extend upwardly along at least part of the, length of this tubular member and are cut on an incline corresponding to the incline of the folded-over portion of the tape.` Itwill be observed that the upper edge of the box-shaped member, on both sides of the tape, is concavelv curved to form a nest or seat for the rounded end of the slider.

The pin member lllhas extensions Vor wings 25 corresponding to those marked 22 on the opposite Stringer, and these are preferablyl integral with the material of the pin I9 so that they will greatly help in holding the pin in place on the end of the tape. 'I'he pin thus has shoulders 26 which cooperate with corresponding shoulders 2l on the socket member to resist lateral separation after the pin has been threaded into the socket. This pin, near the bottom end, has on opposite sides of the tape, notches 28 forming, in effect, hooks 29 which engage in corresponding recesses or holes 30 in the socket member, as seen very well in Fig. 4. This prevents endwise slipping movement ofthe pin relative to the socket after they have 'been assembled and greatly tends to eliminatewhat would otherwise be a source of trouble, especially in fasteners of plastic material.

The front face of the pin is formed with a groove 3| which fits overv a correspondingly shaped rib 32 on the face of the tubular extension 24 and inner Wall of the socket member. This effectively prevents sidewise shifting movement of the pin after it has been assembled in the socket.

Another very desirable feature, as seen especially in Fig. 4, is the bevelling olf of the pin member at 33 and the corresponding bevelling off of the tubular extension 24, as indicated at 34, to allow freer flexing of the stringer relative to the parts of the end connection, thereby tending to avoid breakage of the fabric tapes at these points.

The manner in which the integral wing extensions on the pin and socket help to reinforce the tapes and hold the pin and socket to the tapes may be seen in Fig. 8, where the material of these win'gs is shown as penetrating through preformed openings 35 in the tape and this material also may penetrate the spaces between the threads of the tape and even flow between the tapes themselves, as shown in this figure to an exaggerated degree. i

It is very desirable when the pin is separated from the socket that the slider be held in proper position for reassembly. To accomplish this purpose, I take advantage of the usual locking device I6 and pin I1 by providing a recess 36 in' the tubular extension 24 to receive the lock pin when the slider is moved against the box-shaped 'portion of the socket member.

The operation of my improved device will be readily understood. The pin is inserted through the channel of the, slider, as shown in Fig. 2, at a slight angle to the other Stringer. When it is fully inserted, as shown in Fig. 3, the slider is then pulled up, whereupon the tape stringers will tend to straighten up the parts and swing the hook element 29 into the socket 30, as shown in Fig. 4, so as to hold the parts together very firmly. The parts may be disconnected by simply reversing this procedure.

It is, of course, to be understood that the above description is merely illustrative and in nowse limiting and that I desire to comprehend within my invention such modifications as are included within the scope of the appended claims.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent is:

1. A slider fastener comprising a pair of tapes,

'rows of fastener members attached to the adsecured to the projecting tape end of the other Stringer adapted to be threaded into engagement with the socket member, and thin wings extending laterally from the socket member and from the pin member inl overlapping relation with the tape, said wing extensions being integral with the material of the socket member and pin member respectively and being rmly secured to the underlying portions of the tape.

2. A slider fastener comprising a pair of tapes, rows of fastener members attached to the adjacent edges of the tapes, a slider mounted on the rows of fastener members for engaging and disengaging them, the tapes projecting beyond the rows of fastener members at the bottom end of the fastener, and a separable end connection comprising a socket member attached to one of the projecting tape ends adjacent to the row of fastener members on that tape, a pin member secured to the projecting tape end of the other Stringer adapted to be threaded into engagement with the socket member, said pin and socket member being formed of plastic material, and thin wing extensions integral with the pin and socket members and formed of the same material, said wing extensions projecting laterally on opposite sides of the tape from pin and socket members and being adhesively secured to the tapes.

3. A slider fastener comprising a pair of tapes, rows of fastener members attached to the adjacent edges of the tapes, a slider mounted on the rows of fastener members for engaging and disengaging them, the tapes projecting beyond the rows of fastener members at the bottom end of the fastener, a separable end connection comprising a socket member attached to one of the projecting tape ends adjacent the row of fastener members on that tape, a pin member secured to the projecting tape end of the other Stringer adapted to be threaded into engagement with the socket member, said socket member having a hollow box-shaped portion spaced from the fastener members and a tubular portion extending to the fastener members, said tubular extension and said pin member at their ends adjacent the endmost fastener member on the stringer, being beveled to provide clearance for easy flexing of the tapes between the parts of the separable end connection* and the fastener members, and thin integral wing extensions on said tubular portion and said wing member pro- Y jecting laterally therefrom on opposite sides of jacent edges of the tapes, a slider mounted on the rows of fastener members for engaging and disengaging theml the tapes projecting beyond the rows of fastener members at the bottom end of the fastener, and a separable end connection comprising a socket member attached to one of the projecting tapeends adjacent the row of fastener members on that tape, a pin member the tape, the upper ends of said wing extensions having bevels corresponding with the bevels on said tubular extension and said pin member respectively.

4. A slider fastener comprising a pair of tapes, rows of fastener members attached to the adjacent edges of the tapes, a slider mounted on the rows of fastener members for engaging and disengaging them, the tapes projecting beyond the rows of fastener members at the bottom end of the fastener, and a separable end connection comprising a socket member attached'to one of the projecting tape ends adjacent the row of fastener members on that tape, a pin member secured to the projecting tape end of .the other Stringer adapted to be threaded into engagement with the socket member, the projecting ends of said tape being folded under and cut on an incline, and lateral extensions from said pin and socket members extending laterally therefrom over the folded under portion of the tape, the

top edge of the extensions having the same .incline as the folded ends of the tapes.

5. A slider fastener comprising a pair of tapes,

rows of fastener members attached to'the adjacent edges of the tapes, a slider mounted on the rows of fastener members for engaging and disengaging them, the tapes projecting beyond the rows of fastener members at the bottom end of the fastener, and a separable end connection comprising a socket member attached to one of the projecting tape ends adjacent the row of fastener members on that tape, a pin member secured to the projecting tape end of the other Stringer adapted to be threaded into engagement detent may engage to hold the slider in position against the box-shaped member While the pin member is disconnected therefrom.

NOEL J. POUX. 

